| GAŇOVÁ, Alena, Emilie LUKÁŠOVÁ, Stanislav KOZUBEK, Michal KOZUBEK, Raisa GOVORUN, Irena KOUTNÁ, Eva BÁRTOVÁ, Magdalena SKALNÍKOVÁ, Pavla JIRSOVÁ, Renata PASEKOVÁ a Evgenij KRASAVIN. Exchange aberrations among 11 chromosomes of human lymphocytes induced by gamma-rays. International Journal of Radiation Biology. 2001, roč. 77, č. 4, s. 419-429. ISSN 0955-3002. |
Další formáty:
BibTeX
LaTeX
RIS
@article{362373,
author = {Gaňová, Alena and Lukášová, Emilie and Kozubek, Stanislav and Kozubek, Michal and Govorun, Raisa and Koutná, Irena and Bártová, Eva and Skalníková, Magdalena and Jirsová, Pavla and Paseková, Renata and Krasavin, Evgenij},
article_number = {4},
keywords = {INDUCED STRUCTURAL-ABERRATIONS; INDUCED CHROMATIN BREAKS; IN-SITU HYBRIDIZATION; DOUBLE-STRAND BREAKS; IONIZING-RADIATION; CELL-NUCLEI; DOMAINS; TRANSLOCATIONS; REPAIR; ORGANIZATION},
language = {eng},
issn = {0955-3002},
journal = {International Journal of Radiation Biology},
title = {Exchange aberrations among 11 chromosomes of human lymphocytes induced by gamma-rays},
url = {http://www.fi.muni.cz/lom/abstracts/lom012.shtml},
volume = {77},
year = {2001}
}
TY - JOUR
ID - 362373
AU - Gaňová, Alena - Lukášová, Emilie - Kozubek, Stanislav - Kozubek, Michal - Govorun, Raisa - Koutná, Irena - Bártová, Eva - Skalníková, Magdalena - Jirsová, Pavla - Paseková, Renata - Krasavin, Evgenij
PY - 2001
TI - Exchange aberrations among 11 chromosomes of human lymphocytes induced by gamma-rays
JF - International Journal of Radiation Biology
VL - 77
IS - 4
SP - 419
EP - 419
SN - 09553002
KW - INDUCED STRUCTURAL-ABERRATIONS
KW - INDUCED CHROMATIN BREAKS
KW - IN-SITU HYBRIDIZATION
KW - DOUBLE-STRAND BREAKS
KW - IONIZING-RADIATION
KW - CELL-NUCLEI
KW - DOMAINS
KW - TRANSLOCATIONS
KW - REPAIR
KW - ORGANIZATION
UR - http://www.fi.muni.cz/lom/abstracts/lom012.shtml
N2 - Purpose: To detect the frequencies of inter-changes among 11 chromosomes in lymphocytes irradiated with gamma -rays and to find out whether these frequencies reflect the proximity of some of these chromosomes within the interphase nucleus. Material and methods: Exchange aberrations were detected in the first mitosis after irradiation of human lymphocytes with 3 and 5 Gy gamma -rays of` Co-60. Two-colour repeated FISH with two differently chemically modified probes in each hybridization was applied. The microscope stage positions of each mitosis were recorded after the first hybridization and used for the automatic scanning of images after all successive experiments. Five images were obtained for each mitosis differing in visualized pairs of chromosomes. Comparing these images, exchanges among 10 chromosomes could be detected. Painting of the p arm of chromosome 21 with the painting probe for chromosome 22 also made it possible to detect exchanges of this chromosome with other chromosomes of the selected group. Results: Frequencies of exchange aberrations induced in chromosomes of the selected group as well as interchanges between many pairs of chromosomes of this group were roughly proportional to the DNA content of chromosomes. Higher frequencies of interchanges than expected according to the model of linear proportionality were found between several chromosomes involved in translocations frequent in different subtypes of leukaemia. Conclusions: Frequencies of interchanges among 11 chromosomes of human lymphocytes induced by gamma -rays do not indicate as clearly as fast neutrons the non-random arrangement of chromosomes in the cell nucleus. The interaction of a large number of chromosomes in exchange aberrations suggests that the chromatirl in the territory of one chromosome is accessible for several other chromosomes.
ER -
GAŇOVÁ, Alena, Emilie LUKÁŠOVÁ, Stanislav KOZUBEK, Michal KOZUBEK, Raisa GOVORUN, Irena KOUTNÁ, Eva BÁRTOVÁ, Magdalena SKALNÍKOVÁ, Pavla JIRSOVÁ, Renata PASEKOVÁ a Evgenij KRASAVIN. Exchange aberrations among 11 chromosomes of human lymphocytes induced by gamma-rays. \textit{International Journal of Radiation Biology}. 2001, roč.~77, č.~4, s.~419-429. ISSN~0955-3002.
|
